Only the previous day, I had handed over an exceptionally plump wad of colourful francs to a beady-eyed Picardy hotelier in payment for one night in a lumpy bed and a plate of mysterious chasseur containing the bones of assorted small animals, much of which had to be secreted away in a large napkin in order not to appear impolite, and had determined thenceforth to be more cautious with expenditures.